Drill attachment



FIG. 1 is a bottom isometric view of a drill attachment according to the ornamental design;

FIG. 2 is a top isometric view of the drill attachment shown in FIG. 1;

FIG. 3 is a bottom view of the drill attachment shown in FIG. 1;

FIG. 4 is a side view of the drill attachment shown in FIG. 1,

FIG. 5 is a front view of the drill attachment shown in FIG. 1 wherein, the rear view is a mirror image; and,

FIG. 6 is a top plan view of the drill attachment shown in FIG. 1.

The broken lines shown in the drawings illustrate portions of the drill attachment that form no part of the claimed design. 

CLAIM We claim the ornamental design for a drill attachment, as shown and described. 